Port Jefferson is a hamlet and census-designated place in the Town of Brookhaven in Suffolk County, New York, on the North Shore of Long Island. It is situated on the north shore of the Long Island Sound, and is the largest village within the town of Brookhaven. The climate in Port Jefferson is humid subtropical, with warm summers and cold winters. The average high temperature in the summer is around 81°F (27°C), while the average low temperature in the winter is around 28°F (-2°C). Year-round, the average temperature is around 54°F (12°C). The average precipitation is around 44 inches (112 cm) annually.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.

FAQ's about Port Jefferson

What is the Latitude and Longitude of Port Jefferson?

Port Jefferson's Latitude is 40.946491 & Longitude is -73.069267.

What is the weather in Port Jefferson today?

Weather in Port Jefferson is 17° today.

What is the climatic condition of Port Jefferson today?

Climate Conditions in Port Jefferson shows broken clouds today.

What is the humidity in Port Jefferson today?

Humidity in Port Jefferson is 78% today.

What is the wind speed in Port Jefferson today?

Wind speed in Port Jefferson is 19.3 km/h, flowing at 206° SSW wind direction.

What does it feel like in Port Jefferson today?

It feels like 16° in Port Jefferson today, with 75% cloud cover and 10 km visibility.

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